TLS Online TPP Program

#Question id: 1436


Telomerase:

#Unit 4. Cell Communication and Cell Signaling
  1. induces apoptosis.

  2. contains reverse transcriptase.

  3. is inactivated by Bcl-2.

  4. is active in all normal adult cells.

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TLS Online TPP Program

#Question id: 12723

#Unit 6. System Physiology – Plant

GroEL, GroES is an example of the  prokaryotic cell, this HSP protein is belong to the which of the following HSP class?

TLS Online TPP Program

#Question id: 12724

#Unit 6. System Physiology – Plant

In response to sudden, 5 to 10°C rises in temperature, plants produce a unique set of proteins referred to as heat shock proteins (HSPs). There are five classes of heat shock proteins found in plants such as;

       HSP class

 Examples (Arabidopsis / prokaryotic)

      Cellular location

 

I) HSP100

 

 

a) AtTCP-1 / GroEL, GroES

 

i) Cytosol

 

II) HSP90

 

 

b) Various AtHSP22, AtHSP20, AtHSP18.2, AtHSP17.6 / IBPA/B

 

ii) mitochondria

 

III) HSP70

 

 

c) AtHSP101 / ClpB, ClpA/C

 

iii) chloroplasts

 

IV) HSP60

 

 

d) AtHSP70 / DnaK

 

iv) endoplasmic reticulum

 

V) smHSP

 

 

e) AtHSP90 / HtpG

 

Match the following HSPs   with their correct location and the examples of the HSPs;


TLS Online TPP Program

#Question id: 12725

#Unit 13. Methods in Biology

Match the following

DNA form

Helix Direction

Number of bases per helix turn

1. B

a. Left Handed

i. 10

2.  A

b. Right Handed

ii. 12

3.  C

c. Left Handed

iii. 14

4. Z

d. Right Handed

iv. 9

TLS Online TPP Program

#Question id: 12726

#Unit 13. Methods in Biology

Name the forms of DNA which have been derived under laboratory conditions.

TLS Online TPP Program

#Question id: 12727

#Unit 13. Methods in Biology

Name the form of DNA which may be produced with a DNA sequence made up from alternating purine and pyrimidine nucleotides.

TLS Online TPP Program

#Question id: 12728

#Unit 13. Methods in Biology

Name the type of RNA which folds up to give a cloverleaf secondary structure.